This is the first case of long-standing rhinorrhea and presentation of meningitis from a clival lesion, and it is one of the few cases of EP-related meningitis. Early recognition and workup of CSF rhinorrhea is critical to avoid progression to meningitis, and EPs are a rare cause of this presentation. https://thejns.org/doi/10.3171/CASE25540.
Balasubramanian et al. (2026) studied this question.